Flora of North America species comparison

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Chylismia claviformis subsp. yumae

Chylismia claviformis subsp. integrior
Photo is of parent taxon

Yuma clavate fruit primrose
Photo is of parent taxon

browneyes, clavate fruit primrose
Habit Herbs strigillose, often densely so, sometimes also glandular puberulent distally. Herbs strigillose proximally, usually also glandular puberulent distally, or glabrate.
Stems

5–40 cm.

6–70 cm.
Leaves

blade lateral lobes poorly or well developed, terminal lobe lanceolate, to 6.5 × 2 cm, margins irregularly sinuate-dentate.

blade sometimes purple-dotted, lateral lobes often absent, sometimes present but poorly developed, terminal lobe narrowly ovate to ovate or subcordate, to 7 × 3 cm, margins serrate.
Flowers

opening at sunset;

buds usually without free tips, sometimes with apical free tips less than 1 mm;

floral tube orange-brown inside, 2.5–4 mm;

petals pale yellow, fading reddish or not changing color, 3–5 mm.

opening at sunset;

buds usually without free tips, rarely with apical free tips less than 1 mm;

floral tube orange-brown inside, 3–6 mm;

petals white, sometimes purple-dotted near base, fading purple, 4.5–8 mm.
2n

= 14.

= 14.

Chylismia claviformis subsp. yumae

Chylismia claviformis subsp. integrior
Phenology Flowering Feb–May. Flowering Apr–Jun.
Habitat Very arid dunes and sandy flats, with Ambrosia dumosa and Larrea tridentata. Dry flats, with Artemisia tridentata, Ericameria, or Juniperus, on banks and flats.
Elevation 0–300 m. (0–1000 ft.) 1100–2200 m. (3600–7200 ft.)
Distribution
from FNA
AZ; CA; Mexico (Baja California, Sonora)
[BONAP county map]
from FNA
CA; NV; OR
[BONAP county map]
Discussion

Subspecies yumae is known from southeastern Imperial County, California, Yuma Desert, Arizona, and from El Gran Desierto to Puerto Peñasco in northwestern Sonora, and in northeastern Baja California. The subspecies is probably from hybridization between subspp. aurantiaca and peirsonii; it intergrades with subsp. aurantiaca and rarely hybridizes with Chylismia brevipes subsp. arizonica.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Subspecies integrior is known from southern Harney County, Oregon, southward nearly throughout Nevada to Esmeralda and Lincoln counties and to Mono and northeastern Inyo counties, California, and often forms large colonies on banks and flats in Great Basin Desert. It intergrades with subspp. aurantiaca and cruciformis, and hybridizes with Chylismia brevipes subsp. brevipes.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 10. FNA vol. 10.
Parent taxa Onagraceae > subfam. Onagroideae > tribe Onagreae > Chylismia > sect. Chylismia > Chylismia claviformis Onagraceae > subfam. Onagroideae > tribe Onagreae > Chylismia > sect. Chylismia > Chylismia claviformis
Sibling taxa
C. claviformis subsp. aurantiaca, C. claviformis subsp. claviformis, C. claviformis subsp. cruciformis, C. claviformis subsp. funerea, C. claviformis subsp. integrior, C. claviformis subsp. lancifolia, C. claviformis subsp. peeblesii, C. claviformis subsp. peirsonii, C. claviformis subsp. rubescens
C. claviformis subsp. aurantiaca, C. claviformis subsp. claviformis, C. claviformis subsp. cruciformis, C. claviformis subsp. funerea, C. claviformis subsp. lancifolia, C. claviformis subsp. peeblesii, C. claviformis subsp. peirsonii, C. claviformis subsp. rubescens, C. claviformis subsp. yumae
Synonyms Oenothera claviformis subsp. yumae, Camissonia claviformis subsp. yumae Oenothera claviformis subsp. integrior, Camissonia claviformis subsp. integrior, C. claviformis var. purpurascens, O. claviformis var. purpurascens, O. scapoidea var. purpurascens
Name authority (P. H. Raven) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 207. (2007) (P. H. Raven) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 206. (2007)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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